Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2021   14:48:32   (  -0.04, -75.19) (   0.78, -78.97)  430.93                80
 12/09/2021   14:25:12   (  -0.04, -75.19) (  -0.28, -73.97)  138.70                80
 12/11/2021   02:46:52   (   0.03, -75.19) (  -0.71, -78.57)  385.09                80
 12/12/2021   02:23:33   (   0.03, -75.19) (   0.42, -73.58)  185.04                80
 12/13/2021   14:45:04   (  -0.03, -75.22) (   0.62, -78.13)  331.42                80
 12/14/2021   14:21:44   (  -0.03, -75.24) (  -0.51, -73.14)  239.14                80
 12/16/2021   02:43:24   (   0.03, -75.25) (  -0.54, -77.73)  283.43                80
 12/17/2021   02:20:04   (   0.03, -75.26) (   0.59, -72.74)  287.33                80
 12/18/2021   14:41:36   (  -0.02, -75.30) (   0.44, -77.30)  228.37                80
 12/19/2021   14:18:16   (  -0.02, -75.31) (  -0.69, -72.31)  342.71                80
 12/21/2021   02:39:55   (   0.01, -75.33) (  -0.36, -76.89)  179.17                80
 12/22/2021   02:16:36   (   0.01, -75.34) (   0.77, -71.90)  392.14                80